Stockholders' Equity (Deficit) - Stock Option Repricing - Additional Information (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Nov. 30, 2016 |
Dec. 31, 2018 |
Oct. 31, 2016 |
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| Minimum | |||
| Class Of Stock [Line Items] | |||
| Stock option exercise price per share | $ 5.64 | ||
| Stock Option Repricing | |||
| Class Of Stock [Line Items] | |||
| Stock option exercise price per share | $ 5.64 | ||
| Option conversion basis | one-for-one basis | ||
| Granted, Number of shares | 5.1 | ||
| Common stock price per share | $ 5.70 | ||
| Common stock price per share | $ 7.02 | ||
| Incremental stock-based compensation | $ 1.0 | ||
| Expense related to vested shares | 0.1 | ||
| Expense related to unvested shares | $ 0.9 |
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- Definition Share based compensation arrangement by share based payment award unvested expenses. No definition available.
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- Definition Share based compensation arrangement by share based payment award vested expenses. No definition available.
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- Definition Stock option conversion basis. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition An excess of the fair value of the modified award over the fair value of the award immediately before the modification. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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